package cn.cmcc.s2a.util;

import java.io.IOException;
import java.net.URL;
import java.net.URLConnection;
import java.util.Map;
import java.util.Set;

public class CheckHttpResposneHeaders {
	public static void main(String[] args) throws IOException {
		URL url = new URL("http://localhost:8080");
		URLConnection conn = url.openConnection();
		Map headers = conn.getHeaderFields();
		Set<String> keys = headers.keySet();
		for (String key : keys) {
			String val = conn.getHeaderField(key);
			System.out.println(key + "     " + val);
		}

		System.out.println(conn.getLastModified());
	}
}